Wolf Law is proud to serve Denver and surrounding communities, including Aurora, Lakewood, and the broader Denver Metro area. Colorado’s laws around open containers and passenger drinking in vehicles are frequently misunderstood. Many people assume that only the driver can be in legal jeopardy when alcohol is involved in a vehicle stop. In reality, Colorado law creates separate offenses for open containers in vehicles, and recent changes to the law have added new nuances around where and how passengers can consume alcohol. Understanding these rules clearly can help you avoid a charge you did not see coming.
Wolf Law represents individuals across Colorado with a criminal defense practice focused on preparation, strategy, and strong legal advocacy. Attorneys and Partners Jeff Wolf and Colleen Kelley lead the firm’s defense team, each bringing decades of trial experience, sharp legal analysis, and a commitment to protecting their clients’ rights at every stage. Both attorneys are known for their national media presence, including commentary on Court TV and Law & Crime, and both bring that same level of analytical rigor and courtroom preparation to every DUI and traffic-related defense case they handle in Colorado. Together, they reflect Wolf Law’s philosophy that excellent criminal defense means being prepared for every issue the law can raise.
This article explains Colorado’s open container laws, how they apply to drivers and passengers differently, what the recent changes around consumption in rideshare and hired vehicles mean, and what happens when a passenger’s open container gives law enforcement reason to investigate the driver for DUI.
What Is Colorado’s Open Container Law?
Under Colorado Revised Statutes Section 42-4-1305, it is a traffic infraction for any person to possess an open alcoholic beverage container in the passenger compartment of a motor vehicle on a public highway. This applies to both the driver and any passenger in the vehicle. An open container is any container that has been opened, has a broken seal, or has had some of its contents removed.
An open container violation in Colorado is a class A traffic infraction, not a criminal offense, for a first offense involving possession only. The fine is relatively modest on its own. However, an open container in the vehicle can give law enforcement grounds to further investigate whether the driver has been drinking, which can escalate quickly from a traffic infraction into a DUI investigation. That escalation is where the real legal risk lies.
Does the Open Container Law Apply to Passengers?
Yes. Colorado’s open container law applies to all occupants of a vehicle — not just the driver. A passenger who has an open bottle of beer, an open can of hard seltzer, or any other open alcoholic beverage container in the passenger compartment is in violation of the statute. The fact that the driver was not drinking does not protect the passenger from an infraction.
Colorado law does create an exception for passengers in the living quarters of a recreational vehicle, motor home, or similar vehicle, where the passenger compartment is designed for habitation. In those situations, an open container in the living area does not violate the statute. This exception does not apply to standard passenger vehicles or the cabs of trucks.
What Are the Rules for Rideshare and Hired Vehicles in Colorado?
Colorado law creates a specific exception for passengers in transportation network company vehicles — commonly known as rideshare services like Uber and Lyft — and other hired vehicles including limousines and party buses. Under this exception, a passenger who is not the driver may possess an open alcoholic beverage container and consume alcohol while in one of these vehicles, provided the driver is not consuming alcohol.
This exception reflects the practical reality that many people use rideshare specifically to avoid driving after drinking. The passenger exception does not apply if the driver is drinking. It also does not create any exception from Colorado DUI law for the driver — a rideshare driver who has been drinking is subject to the same DUI and DWAI standards as any other driver.
Facing DUI or open container charges in Denver, Aurora, or Lakewood? Call Wolf Law at 720.479.8574 for a free consultation. Our attorneys will evaluate your case right away.
How an Open Container Can Trigger a DUI Investigation
One of the most important things to understand about Colorado’s open container law is how it functions as a gateway to a DUI investigation. When a law enforcement officer stops a vehicle and observes an open container — or smells alcohol — they have grounds to ask the driver questions about drinking and to request field sobriety testing.
A passenger’s open container can be the starting point for a driver’s DUI arrest. The sequence is common: officer stops vehicle for a traffic violation, observes passenger’s open container, detects the odor of alcohol, asks driver about drinking, administers field sobriety tests, requests breath testing. Each step in that sequence can be examined by a defense attorney for legal issues — whether the initial stop was lawful, whether the investigation was properly conducted, and whether the chemical testing complied with Colorado’s requirements.
What You Need to Know About Chemical Testing in Open Container and DUI Cases
When a DUI investigation follows an open container stop, the chemical testing rules that apply are identical to those in any DUI case. Colorado’s express consent law requires drivers to submit to breath or blood testing when law enforcement has reasonable grounds to believe they are under the influence. Breath testing measures alcohol. Blood testing is used when drug impairment is suspected or when a breath test is unavailable.
Colorado does not use saliva or urine testing to establish BAC or drug impairment in DUI cases. Any defense of a DUI charge that grew out of an open container stop must address both the legality of the original stop and the chain of events that led to chemical testing. Our attorneys evaluate every step of that sequence.
Common Challenges People Face With Open Container and Passenger DUI Situations
- Passengers charged alongside the driver: When a vehicle is stopped and both an open container and driver impairment are alleged, passengers may face their own open container infractions while the driver faces a DUI charge. Our attorneys evaluate each person’s exposure separately and advise on the best course of action.
- Stored containers in the passenger compartment: A previously opened bottle that has been re-capped and stored in a cup holder or seat pocket can be treated as an open container under Colorado law. Our attorneys challenge whether the container meets the legal definition of open in cases where it is disputed.
- Confusion about the rideshare exception: Not every for-hire vehicle qualifies for Colorado’s passenger consumption exception. The vehicle must be operating as a transportation network company vehicle or hired car at the time. Our attorneys evaluate whether the exception applies in specific cases.
How Wolf Law Handles DUI Cases Arising From Open Container Stops
Jeff Wolf and Colleen Kelley are both excellent trial attorneys who understand how DUI cases develop from traffic stops and how to challenge the sequence of events that leads from an open container observation to a DUI arrest. Both have appeared on national platforms including Law & Crime and Court TV, and both bring that same analytical depth to DUI defense cases throughout the Denver Metro area.
Our attorneys examine the legality of the initial traffic stop, the basis for the DUI investigation that followed, the field sobriety testing procedures, and the chemical testing evidence. When a DUI charge grew out of a passenger’s open container or an ambiguous situation, there are often meaningful legal questions about whether the investigation was conducted properly. Those questions are worth pursuing with skilled legal representation.
Frequently Asked Questions About Open Container and Passenger Rules in Colorado
- Can I be charged with DUI if I was not driving? Colorado DUI law requires that the defendant was driving or in actual physical control of a vehicle. Being a passenger, without more, does not support a DUI charge against the passenger. Our attorneys evaluate actual physical control issues in every relevant case.
- Does an open container in my car automatically mean a DUI charge? No. An open container is an infraction, not a DUI charge. However, it can give law enforcement grounds to investigate whether the driver has been drinking, which can lead to a DUI investigation. Having excellent legal representation from the start protects your rights through that entire process.
- What if the open container belonged to a passenger and I was not drinking? The driver’s sobriety is evaluated independently of whether a passenger had an open container. A driver who was not impaired should not face a DUI conviction. Our attorneys help establish the full factual record.
Contact Wolf Law to Protect Your Rights After a DUI or Open Container Stop
Whether you are facing a DUI charge, an open container infraction, or both, Wolf Law offers free consultations and our attorneys are ready to evaluate your situation from every angle. Do not navigate Colorado’s DUI laws alone. Call 720.479.8574 today.
Wolf Law represents clients throughout Colorado with excellent criminal defense. From Denver and Aurora to Lakewood and communities along the I-25 corridor, our legal team is ready to stand beside you. Call Wolf Law at 720.479.8574 for your free consultation.
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